68 lines
2.3 KiB
Java
68 lines
2.3 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8323659
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* @summary Ensures that the implementation of LTQ add and put methods does
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* not call overridable offer. This test specifically asserts implementation
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* details of LTQ. It's not that such impl details cannot change, just that
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* such a change should be deliberately done with suitable consideration
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* to compatibility.
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* @run testng SubclassTest
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*/
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import java.util.concurrent.LinkedTransferQueue;
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import java.util.concurrent.TimeUnit;
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import org.testng.annotations.Test;
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import static org.testng.Assert.assertEquals;
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@Test
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public class SubclassTest {
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public void testPut() {
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var queue = new TestLinkedTransferQueue();
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queue.put(new Object());
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assertEquals(queue.size(), 1);
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}
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public void testAdd() {
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var queue = new TestLinkedTransferQueue();
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queue.add(new Object());
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assertEquals(queue.size(), 1);
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}
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public void testTimedOffer() {
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var queue = new TestLinkedTransferQueue();
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queue.offer(new Object(), 60, TimeUnit.SECONDS);
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assertEquals(queue.size(), 1);
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}
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static class TestLinkedTransferQueue extends LinkedTransferQueue<Object> {
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@Override
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public boolean offer(Object obj) {
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return false; // simulate fails to add the given obj
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}
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}
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}
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